Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. parallel lines
    1. intersecting lines
    2. parallel lines
    3. angle relationships

    parallel lines

    Author:Diana Underwood Gregg
    Topic:Geometry
    Parallel lines for MA139 S19
    parallel lines

    Table of Contents

    • intersecting lines

      • Intersecting lines
      • intersecting lines part 2
      • intersecting lines part 3
      • Copy of Vertical Angles Exploration
    • parallel lines

      • parallel lines 1
      • parallel lines 2
      • Same-Side-Exterior Angles: Quick Investigation
      • parallel lines 3
      • parallel lines 4
    • angle relationships

      • Corresponding Angles: Quick Investigation
      • Alternate Interior Angles: Quick Investigation
      • Same-Side-Interior Angles: Quick Investigation
      • Alternate Exterior Angles: Quick Investigation
      • Parallel Lines & Related Angles Activity
    Next
    Intersecting lines

    New Resources

    • z`]]
    • Quiz: Vertical Angles and Linear Pairs
    • Math Art Construction
    • Triangle Flexer
    • Graph of y = ax² + bx + c

    Discover Resources

    • ACCESS - Quadratic Transformations
    • Simplifying Fractions (Unfinished)
    • Difference in Arguments
    • Ch 1.06 Pt of Concurrency of Angle Bisectors
    • Radio y perímetro

    Discover Topics

    • Subtraction
    • Volume
    • Cuboid
    • Dilation
    • Parametric Curves
    AboutPartnersHelp Center
    Terms of ServicePrivacyLicense
    Graphing CalculatorCalculator SuiteMath Resources

    Download our apps here:

    Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

    © 2025 GeoGebra®